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The goal of this research project is to develop a low-cost line follower robot that can be built without a microcontroller by utilizing the L293D motor driver IC, infrared sensors, and basic electronic components. The primary objective is to address the complexity and high costs associated with traditional microcontroller-based designs, offering a simplified and affordable alternative suitable for educational purposes. The research provides a detailed account of the construction process, including the selection of components, circuit design, and assembly instructions, ensuring that individuals with minimal electronics knowledge can successfully build and understand the robot. The robot’s design emphasizes effective line-following capabilities through a straightforward circuit, achieving significant cost savings compared to microcontroller-based alternatives. This work also discusses the educational benefits, highlighting its potential as an accessible introductory project in robotics courses and workshops, thereby fostering hands-on learning and innovation among students and hobbyists.

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Designing an Economical Line Follower Robot Without Microcontroller Control

  • 会议论文

  • 发表日期：

    2026年

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  • Arghya Ghosh,
  • Shobham Guha,
  • Kamakhya Narain Singh,
  • Chinmaya Misra,
  • Prachi Vijayeeta,
  • Anupam Samui,
  • Sadhna Sudershana

摘要

The goal of this research project is to develop a low-cost line follower robot that can be built without a microcontroller by utilizing the L293D motor driver IC, infrared sensors, and basic electronic components. The primary objective is to address the complexity and high costs associated with traditional microcontroller-based designs, offering a simplified and affordable alternative suitable for educational purposes. The research provides a detailed account of the construction process, including the selection of components, circuit design, and assembly instructions, ensuring that individuals with minimal electronics knowledge can successfully build and understand the robot. The robot’s design emphasizes effective line-following capabilities through a straightforward circuit, achieving significant cost savings compared to microcontroller-based alternatives. This work also discusses the educational benefits, highlighting its potential as an accessible introductory project in robotics courses and workshops, thereby fostering hands-on learning and innovation among students and hobbyists.